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Hybrid power automobile, starting system of engine of hybrid power automobile and starting control method of engine of hybrid power automobile

A hybrid vehicle and engine starting technology, which is applied to hybrid vehicles, motor starting for engines, and engine starting, etc., can solve the problems of long start-up time, insufficient energy saving and environmental protection, and increase fuel consumption and pollutant emissions, so as to reduce fuel consumption. consumption, improve service life, avoid the effect of frequent startup

Active Publication Date: 2015-06-17
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when a hybrid vehicle starts the engine, it is completed by the starter motor installed on the flywheel side of the engine, which takes a long time to start and the start process is not stable enough. At the same time, it will increase fuel consumption and pollutant emissions, which is not energy-saving and environmentally friendly.
Moreover, when the working mode of the hybrid electric vehicle is switched, it will cause frequent starting of the starter motor, which greatly affects the life of the starter motor

Method used

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  • Hybrid power automobile, starting system of engine of hybrid power automobile and starting control method of engine of hybrid power automobile
  • Hybrid power automobile, starting system of engine of hybrid power automobile and starting control method of engine of hybrid power automobile
  • Hybrid power automobile, starting system of engine of hybrid power automobile and starting control method of engine of hybrid power automobile

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Embodiment Construction

[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0018] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicat...

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Abstract

A method for starting an engine of a hybrid vehicle is provided. The method includes: detecting a speed of the hybrid vehicle when receiving an instruction to start the engine； and outputting an inertia torque generated by a transmission of the hybrid vehicle to a crankshaft of the engine to start the engine when the speed is larger than or equal to a predetermined speed. Further, a system for starting an engine of a hybrid vehicle and a hybrid vehicle including the system are provided.

Description

technical field [0001] The invention relates to the technical field of hybrid electric vehicles, in particular to a method for controlling the start of an engine of a hybrid electric vehicle, an engine starting system of a hybrid electric vehicle and a hybrid electric vehicle with the engine starting system. Background technique [0002] At present, when hybrid vehicles start the engine, it is completed by the starter motor installed on the flywheel side of the engine. The start-up time is long and the start-up process is not stable enough. At the same time, it will increase fuel consumption and pollutant emissions, which is not energy-saving and environmentally friendly. Moreover, when the working mode of the hybrid electric vehicle is switched, it will cause frequent starting of the starter motor, which greatly affects the life of the starter motor. [0003] Therefore, the starting technology of the hybrid electric vehicle in the prior art needs to be improved. Contents ...

Claims

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Application Information

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IPC IPC(8): B60W20/00B60W10/06B60W10/08B60L50/30
CPCB60W10/06B60W10/08B60W20/40B60Y2300/49B60W2510/1095B60K6/48B60W10/113B60W20/00F02N5/04F02N11/00B60W2520/10B60W2520/105F02N2300/2002F02N2200/0801B60L50/30B60W20/15B60W10/02B60W10/10Y10S903/915Y10S903/946Y02T10/62Y02T10/70B60K2006/268
Inventor 刘长久刘国瑞周小伟凌和平谢世滨廉玉波
Owner BYD CO LTD
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